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authorJason Ekstrand <[email protected]>2015-04-02 16:38:30 -0700
committerJason Ekstrand <[email protected]>2015-04-03 14:12:49 -0700
commit52e718097fa7dc808b3e8b43a8fd14a5b2b64797 (patch)
tree6c78714e75762396a9b1446f24fbb67cb77a7bb7 /src/mesa/state_tracker/st_debug.h
parentbff421332661bfd0f82ab9eee9e4fec9d06ed1a1 (diff)
nir: Add a cubemap normalizing pass
This commit adds a pass to L1-normalize cube-map coordinates. Some hardware such as i965 requires that largest cube-map coordinate is +-1. We had a pass to perform this normalization in GLSL IR but we need it in NIR for cube maps on ARB programs to work correctly. Reviewed-by: Jordan Justen <[email protected]> v2 (Suggested by Eric): - Do a vector fabs and split into components later - Move to core NIR Reviewed-by: Eric Anholt <[email protected]>
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